
body {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  padding: 0;
  margin: 0;
  border: 0;
}

/*面板 */
.panel {
  border:2px solid #767676;
}

/* 面板标题 */
.panel-title {
  background-color: #3399FF;
  height: 30px;
  width: 100%;
}

/* 表单面板 */
#formPanel {
  position: absolute;
  left: 10px;
  top: 10px; 
  width: 400px;
  height: 300px;
}

/* 结果面板 */
#resultPanel {
  position: absolute;
  left: 420px;
  top: 10px;
  width: 400px;
  height: 300px;
  overflow-y: auto;
}

/* 表达式面板 */
#expressionPanel {
  position: absolute;
  left: 10px;
  top: 320px;
  width: 812px;
  height: 230px;
}

/* 表达式 */
#expression {
  width: 506px;
  height: 150px;
  float: left;
}

/* 表达式列表 */
#expressionList {
  width: 296px;
  height: 155px;
}

